The Nine Degrees of Autism: A Developmental Model for the Alignment and Reconciliation of Hidden Neurological Conditions (Hardcover) (ISBN-13: 9781138887169)

Philip Wylie is a freelance writer, researcher, and independent management consultant who was diagnosed with Asperger's syndrome in 2013. He conceived The Nine Degrees of Autism during his identity alignment process while writing a book about very late diagnosis of Asperger's syndrome.

Wenn B. Lawson is a researcher, psychologist, writer, and poet with high-functioning autism. He has operated his own private practice for more than twenty years and written several books and research articles on the topic.

Luke Beardon is a Senior Lecturer at The Autism Centre at Sheffield Hallam University, UK. He has worked for several years in the fields of autism and Asperger's syndrome, in capacities ranging from practitioner to researcher to trainer.